Corn sheller



Nov. 29, 1927.

w. M. JORDAN ET AL CORN SHELLER Filed Dec. 22. 1924 2 Sheets-Sheet 1 WITNESSES ATTORNEYS 2 Sheets-Sheet 2 MMJOR -QQZ C. 5. IYICH 0L6) ATTORNEYS l rlllllll lll Nov. 29, 1927.

W. M. JORDAN ET AL f CORN SHELL ER Filed Dec. 22, 1924 WITNESSES Patented Nov. 29, 1927.

UNITED STATES PATENT OFFICE.

com: SHELLER.

Application filed December 22, 1924. Serial No. 757,531.

This invention relates to corn shellers and more particularly to the cylinder and concave thereof. I I

Briefly stated, an important object of this invention is to provide a corn sheller having novel means to adjust itself to ears of various sizes. 1

A. further object of the invention is to provide a corn .sheller having a cylinder pro vided with separate blades having their outer faces disposed tangentially with respect to the periphery of the cylinder to define an annular series of gradually tapering pockets for the reception of the corn whereby to bring about the rapid and more perfect operation of the shellerh A further object of the invention is to provide a corn sheller which is of highly simplified construction, durable in use, and cheap to manufacture.

Other objects and advantages will be apparent during the course of the followingdescription.

In the accompanying drawings forming a part of this application and in which like numerals are employed I to designate like parts throughout the same, i

' Figure l is a vertical sectional view through the improved cylinder and concave;

Fig. 2 is a detail .side elevation illustrating the means to operate the cylinder;

Fig. 8 is a longitudinal sectional View through the cylinder;

Fig. 4 is a group perspective illustrating the cylinder and one of the blades.

In the drawings. wherein for the purpose of illustration is shown a preferred embodiment of the invention, the numeral 5 designates the cancave of the improved corn sheller, the concave being provided with end plates'or walls 6. Slats 9 are arranged in spaced arcual series and bolted as indicated at 7. to or adjacent the curved edges of walls 6. The mode of application of slats 9 is relatively unimportant and they may be secured in grooves in walls 6 or in other conventional ways well known in the art. Fig.'1 illustrates that the slats 9 are arranged in spaced parallel relation to define passages for the corn during the shelling. operation.

It will be seen that the end walls 6 are provided with grooves 10 for the reception of hangers 11 having abutments 11 at their up- 7 per ends, the lower portions of said hangers being extended angularly as indicated at 12 to anchor the hangers t0 the end walls 6.

That is to say, the lower portions of the hangers 11 are extended laterally through the end walls 6 to firmly attach the hangers to the concave. Figure 1 also shows the inner surfaces of the opposed side walls lV oftha machine as provided with companion grooves \V which receive the opposite sides of hangers 11. As will be readily apparent, the two opposed sets of grooves 10 and TV cooperate with hangers 11 to prevent the same from swinging and yet permit of a vertical sliding movement. Thus, the concave 5 is adjustable in a vertical direction only.

Fig. 1 illustrates that the hangers 11 extend above the concave and pass through supporting springs 14: resting upon the up per edges of side walls W of the machine,

the springs forming a means to yieldably support the concave. That is to say, the springs are mounted on the upper terminal portions of the hangers 11 and normally maintain the concave in a fixed position. However, to provide for shelling corn of various sizes the springs will yield and thereby allow the concave to move up or down as the occasion requires. The tension of the springs 14: may be varied from time to time. Also the cooperating grooves 10,and

lV'-'preventmovement of rods 11 to disengagetheir springs 14 from the top edges of said walls W of the machine.

The cylinder is generally designated by the numeral and is provided with end walls 22 having separate tangentially arranged 'flat faces 2% against which the attaclnng portions 26 of the blades 28 are secured by any suitable means as for instance by hooks 26 The blades 28 are separately secured to the flat faces 24- and any one or all of the blades may be replaced from time to time. I Fig. 4 illustrates that the outer faces of the blades 28 are formed with knobs 30 for aiding in the effective shelling of the corn.

Referring now to Fig. 1 it will be seen that the outer faces of the blades 28 are disposed tangentially to define a series of gradually deepening sockets or it might be said pockets which taper-away from the direction of travel of the cylinder.

supported in outwardly extending bearings B at either side of the machine, these bearings being carried by said walls IV so that the cylinder 20 is always in a fixed horizontal position with relation to the ground. It

is claimed is:

lQIn a corn sheller including a body portion and a fixedly journalled drum having a peripheral grinding surface; the combination of a concave partially surrounding said drum and having end walls and a material receiving opening, rods secured to said concave and yieldingly supported by said body portion, and said concave and body portion having cooperating. guide means engaging said rods to prevent swinging thereof and to guide the same in. a sliding movement.

2. In a corn sheller including a body portion and a fixedly journalled druin haviing; a peripheral grinding surface; the combination of a concave-partially surrounding said drum. and having end walls and a material receiving opening, rodssecured to said eoncave and yieldingly supported by said. body portion, and said concave and body portion having cooperating guide grooves engaging said rods to prevent swinging thereof and to guide the same in a sliding movement.

3. Inv a corn sheller including a body portion and a: fixedly journalled drum having a peripheral grinding surface; the combination of a concave partiallysurrounding said drum and having, end walls and a material receiving opening, depending hanger rods pivoted to said concave and yieldingly supported by said body portion, and. said concave and body portion having cooperating guide grooves engagingsaid rods to. prevent swinging thereof and to guide the same in a sliding movement,

4. In a cornsheller including a body portion and a fixedly journalled drum having a peripheral grinding surface; the combination of a concave partially surrounding said drum andhaving end avails and a material receiving opening, L-shaped hanger rods having their lateral ends engaging transversely into the opposed end Walls of said concave, the upstanding ends ofsaidihanger,

rods extending above the upper edgeof said body portion and having. abutmentsthereon, springs interposed between sald abutments and the upper edge of said body portion for gagement of said springs from the upper edge of said body portion.

5. In a corn sheller including a body portion and a fixedly journalled drumihaving af peripheral grinding surface; the co1nb1na e tion of, a concave partially surrounding said drum and having; end walls and a, material receiving opening, upstanding hanger' rods secured. to said concave and having their upper QDdS'QXtGUQllHg above the, upper edge of said body portion, abutments upon the up per ends of said hanger rods, springs surrounding said rods and interposed between said abutments and, the upper edge of said body portion for yieldingly supporting said hanger rods and concave, and the opposed surfaces of' the body portion and the end walls of said, concave having guide means engaging said hanger rods for slidably mounting thesame for movement in a, vertical direction, said guide means cooperating to prevent movement of said rods to'disengage said springs from the upper edges of said body portion.

6. In a, corn sheller including a body portion and a fixedly jour-nalled. drum having a. peripheral grinding surface the combination of a concave partially surrounding said drum and having end walls and a material receiving opening, upstanding hanger rods secured to said concave and having their up per ends extending above the upper edge of said body portion, abutments upon the upper ends of" said hanger rods, springs surrounding said rods and interposedbetween said abutments and the upper edge of'said body portion for yieldingly supporting said hanger rods and concave, the opposedmner surfaces of said body portion having guide portions for assuring longitudinal sliding movement of said rods, and the opposed outer surfaces of the end walls, of said eoncave engaging said rods to hold the same in, operative engagement with said guide portions whereby to prevent disengagement of said springs from the upper edge portions of said body. I I I In testimony whereof we affix our signatures.

7 WILLIAM JORDAN, V oneness NICHOLS. 

